Utilization Of Vitamin C/ Zinc Supplements, Medicinal Herbs And Immunity Boosters During Covid -19 Pandemic: A Post Study In India. International Journal of Food and Nutritional Sciences, [S. l.], v. 11, n. 11, p. 1770–1776, 2022. Disponível em: http://ijfans.org/index.php/Journal/article/view/11782. Acesso em: 24 aug. 2026.